ring-buffer: Use current_context for safe per-CPU buffer swap

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-74601 · Microsoft / collected KEV context

cve-program · CVE-2026-74601

• https://git.kernel.org/stable/c/26662bc8fced1d668fa1aa146eda085bfc67bd0b
• https://git.kernel.org/stable/c/6b524e6b234e45c7f5f90d13b042c6f57f80105c
• https://git.kernel.org/stable/c/597f279b7b4a06412e3d965e98cc36e181cdbede
• https://git.kernel.org/stable/c/22709117d9ae95e52673685f98caac7c356a8227
• https://git.kernel.org/stable/c/ad7e10c7ea89af45ac1bf1814855d45da472703d
• https://git.kernel.org/stable/c/5b926fb04cb9ef3156dcf88c69a59d3d1a1c4f9f
• https://git.kernel.org/stable/c/5e6e2a18c20e88167d414f666032792e8bf19b80
• https://git.kernel.org/stable/c/f27bdc43077e4fcb5557dfc315ee8d91e741f483

No related operational record is retained in the current change model.